body{
	background-image: url(../img/1.jpg);
}
.contain{
	width: 400px;
	height: 600px;
	background-color: aliceblue;
	opacity: 0.7;
	color: #000;
	line-height: 1.8;
	font-size: 17px;
	font-family: "微软雅黑";
}
.contain a{
	text-decoration: none;
}
a:visited{
	color: #000;
}
a:hover{
	color: red;
}
